Argon laserを用いたLaser angioplastyの基礎と臨床

抄録

Kobe University School of Medicine, Department of Surgery, Division II Experimental studies have been carried out to evaluate the safety and efficacy of recanalization for occlusive arterial disease by Argon laser using the bare-ended probe (BEP) and the metaltip probe (MTP) in our department.
The efefects on vascular tissues to the laser was investigated using human cadaveric aorta. Temperature of the laser probe was very important factor for arterial recanalization. It was clearly considered that optimal conditions using MTP varied according to the probe size, and the smaller MTP was more effective on plaque under the same conditions of laser energy. Laser angioplasty with angioscopic guidance reduced perforation rate using BEP, and angioscope was useful for the observation of the newly recanalized channel by lasing.
In addition, percutaneous transluminal laser angioplasty was successfully performed in 17 patients with severe intermittent claudication and rest pain or ulcer on legs. In conclusion, it could be considered that laser angioplasty might be a useful treatment for the occlusive diseases of the peripheral arteriels.